hg: jdk/submit13: 8181386: CipherSpi ByteBuffer to byte array conversion fails for certain data overlap conditions

[valerie.peng at oracle.com]

Changeset: b32b6ffb221b
Author:    valeriep
Date:      2019-07-10 18:43 +0000
URL:       http://hg.openjdk.java.net/jdk/submit13/rev/b32b6ffb221b

8181386: CipherSpi ByteBuffer to byte array conversion fails for certain data overlap conditions
Summary: Detect potential buffer overlap and use extra buffer if necessary
Reviewed-by: xuelei

! src/java.base/share/classes/javax/crypto/CipherSpi.java
+ test/jdk/javax/crypto/CipherSpi/CipherByteBufferOverwriteTest.java